Unfaithfulness : অন্যাসক্তি; আনুগত্যহীনতা; বিশ্বাসঘাতকতা; ব্যভিচারিতা;
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Appropriate Prepositions
Appropriate to(যোগ্য): His answer is appropriate to the question.
Grateful to (কৃতজ্ঞ): We should be grateful to our teachers.
Long for (আশা করা/কামনা করা): He longed for name and fame.
Render into (অনুবাদ করা): Render the passage into Bengap.
Rule over (শাসন করা): In the absence of the Parliament, the President rules over the country.
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Idioms
Dead of night (মধ্যরাত্রি): The robbers broke into the house at dead of night.
Riding for a fall (বেপরোয়াভাবে কাজ করা- to act recklessly): He rides for a fall in the election.
Slip of the tongue (বলায় সামান্য ভুল): This is a slip of the tongue; don’t pay much stress on it.
Silver living (hope- আশা বা ভালো দিক): Every cloud has a silver lining.
White elephant (অত্যন্ত ব্যয়সাপেক্ষ বিলাসিতা): At last the department proved to be a white elephant.